Bolt hex tqil speċifikazzjonijiet jinkludu: A193, A320 u A307B. Għalkemm il-boltijiet A325 u A490 jeħtieġu wkoll irjus hex tqal minħabba li dawn il-boltijiet għandhom tul ta 'ħajt iqsar minn boltijiet hex tqal standard. Boltijiet hex-duty huma wżati f'ħafna applikazzjonijiet differenti, inkluż rbit ta 'injam, azzar, u materjali oħra tal-kostruzzjoni għal proġetti bħal mollijiet, pontijiet, strutturi ta' awtostradi u bini. Boltijiet hex tqal b'irjus foloz huma wkoll komunement użati bħala boltijiet ta 'ankra tar-ras.
Tul tal-ħajt standard
Tul tal-bolt Inqas minn jew ugwali għal 6" tul tal-ħajt=(2 x dijametru) flimkien ma' 1/4"
Tul tal-bolt > 6" Tul tal-ħajt=(2 x Dijametru) flimkien ma' 1/2"
Tabella tad-Daqs tal-Bolt Hex Heavy
| Dijametru tal-bolt | d | F | C | H | |||||
| Dijametru tal-Korp | Wisa' Ċatt | Wisa' tal-Kantuniera | Għoli | ||||||
| MAX | Bażiku | MAX | MIN | MAX | MIN | Bażiku | MAX | MIN | |
| 1 / 2 | 0.515 | 7 / 8 | 0.875 | 0.85 | 1.01 | 0.969 | 11 / 32 | 0.364 | 0.302 |
| 5 / 8 | 0.642 | 1 1 / 16 | 1.062 | 1.031 | 1.227 | 1.175 | 27 / 64 | 0.444 | 0.378 |
| 3 / 4 | 0.768 | 1 1 / 4 | 1.25 | 1.212 | 1.443 | 1.383 | 1 / 2 | 0.524 | 0.455 |
| 7 / 8 | 0.895 | 1 7 / 16 | 1.438 | 1.394 | 1.66 | 1.589 | 37 / 64 | 0.604 | 0.531 |
| 1 | 1.022 | 1 5 / 8 | 1.625 | 1.575 | 1.876 | 1.796 | 43 / 64 | 0.7 | 0.591 |
| 1 1 / 8 | 1.149 | 1 13 / 16 | 1.812 | 1.756 | 2.093 | 2.002 | 3 / 4 | 0.78 | 0.658 |
| 1 1 / 4 | 1.277 | 2 | 2 | 1.938 | 2.309 | 2.209 | 27 / 32 | 0.876 | 0.749 |
| 1 3 / 8 | 1.404 | 2 3 / 16 | 2.188 | 2.119 | 2.526 | 2.416 | 29日 / 32 | 0.94 | 0.81 |
| 1 1 / 2 | 1.531 | 2 3 / 8 | 2.375 | 2.3 | 2.742 | 2.622 | 1 | 1.036 | 0.902 |
| 1 5 / 8 | 1.658 | 2 9 / 16 | 2.562 | 2.481 | 2.959 | 2.829 | 1 3 / 32 | 1.116 | 0.978 |
| 1 3 / 4 | 1.785 | 2 3 / 4 | 2.75 | 2.662 | 3.175 | 3.035 | 1 5 / 32 | 1.196 | 1.054 |
| 1 7 / 8 | 1.912 | 2 15 / 16 | 2.938 | 2.844 | 3.392 | 3.242 | 1 1 / 4 | 1.276 | 1.13 |
| 2 | 2.039 | 3 1 / 8 | 3.125 | 3.025 | 3.608 | 3.449 | 1 11 / 32 | 1.388 | 1.175 |
| 2 1 / 4 | 2.305 | 3 1 / 2 | 3.5 | 3.388 | 4.041 | 3.862 | 1 1 / 2 | 1.548 | 1.327 |
| 2 1 / 2 | 2.559 | 3 7 / 8 | 3.875 | 3.75 | 4.474 | 4.275 | 1 21 / 32 | 1.708 | 1.479 |
